Tries to get existing H2O Context.
Tries to get existing H2O Context. If it is not there, ok. Note that this method has to be here because otherwise ScalaCodeHandlerSuite will fail in one of the tests. If you want to throw an exception when the context is missing, use ensure() If you want to create the context if it is not missing, use getOrCreate() (if you can).
Option containing H2O Context or None
Get existing or create new H2OContext based on provided H2O configuration.
Get existing or create new H2OContext based on provided H2O configuration. It searches the configuration properties passed to Sparkling Water and based on them starts H2O Context. If the values are not found, the default values are used in most of the cases. The default cluster mode is internal, ie. spark.ext.h2o.external.cluster.mode=false
Spark Session
H2O Context
Get existing or create new H2OContext based on provided H2O configuration
Get existing or create new H2OContext based on provided H2O configuration
Spark Session
H2O configuration
H2O Context